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ID:32217747
大小:2.35 MB
页数:68页
时间:2019-02-01
《新型亚麻粗纱煮漂工艺的探索》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、东华大学硕士学垡堕奎堑型垩壁塑竺耋翌三茎箜堡塞__-____-__—____--——-_____●-______-__---__-_________--_____-__●______-__—————————————————————一证其可行性,采用其中流程最短的一种工艺流程,在工厂中进行了实践,实践证明该工艺流程除白度达不到工厂的生产水平外,其他指标和工厂的基本相当,因此,从某种程度上讲,该工艺有一定的可行性。关键词:亚麻粗纱煮漂白度工艺优化瞳l,时1f。¥,r东华大学硕士学位论文新型亚麻粗纱煮漂工艺的探索TheResearchontheNewProcessofBoiling
2、andBleachingforFlaxRovingABSTRACTTheProcessofboilingandbleachingforflaxrovingisthemostcriticalprocessinflaxspinning,andplaysadecisiverole.Themainchemicalcomponentsofflaxfiberiscellulose,alsocontainhemi-cellulose,lignin,pectin,waxyfatandotherimpurities.Otherchemicalcomponentsarenothelp觚tospi
3、nningprocessexceptforcellulose.Flaxrovinghaslargeofimpuritiesandlowcount,8(3itisunfitforfineyarnprocessing.Thepurposeofboilingandbleachingistoremovepectdn,li驴jIlandotherimpurities,andincreasethesplittingandspillabilityofflaxfiber.Aftertheprocessofboilingandbleachingfortheflaxroving.thelinka
4、geamongfibersisweakened,thefibersCanbesplitintomorefinelybundle,whichwillimprovethequalityofyam.Atpresent,theboilingandbleachingprocessofsodiumchloriteandhydrogenperoxideisusedmorecommonly.However,chemicalreagentsareusedinthisprocess,suchassodiumchlorate,notonlyiscorrosiveandhi曲requirements
5、toequipment,butalsoletofflargeofpoisonousgases—chlorinedioxide,whichCallmakeworkingatmospherepoorandendangerthehealthofworkers,alsoseriouslypollutetheenvironment.Therefore,thisprocesshasbeenunabletomeetthepeople’sdemandsforenvironmentalprotection.Thestartingpointofthisissueistoabolishtheuse
6、ofsodiumchlorat,andfindaboilingandbleachingprocess,whichsimultaneouslysatisfiestherequirementsofthegreenismandspinningsystems.Thehydrogenperoxideisagoodbleachagent,whichcanmakethewhitecontentoffabricandfiberlastingandnotyellowedafteritsbleachingprocessing.Besides,thehydrogenperoxideisnotcor
7、rosivetoequipmentanddonotharmtoenvironment.Althoughhydrogenperoxideisusedintheboiling妒;
8、p东华大学硕士学位论文新型亚麻粗纱煮漂工艺的探索andbleachingprocessofsodiumchloriteandhydrogenperoxide,itisonlyplayingasupplementaryrolewithoutshowingitsstrengths.Therefore,thisissueuseshydr
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